VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV

VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV

VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV

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• VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV

  VSG1-12 indoor AC solid-encapsulated high voltage vacuum circuit breaker is a self-developed product of our company.It mainly serves in mineral enterprise,power plant and substation for control and protection of electric equipment.This VCB has merits of long life,easy maintenance,no pollution,no explosion,low noise etc,and it is fit for use in stringent work condition with frequent operation etc.It can be installed both in trolley type switchgear and fixed type switchgear. Standard: GB 1984-2003,IEC 62271-100

  Main technical data

  ITEM	UNIT	DATA
  Rated voltage	kV	12
  1 min power frequency withstand voltage	kV	42
  Rated lighting impulse withstand voltage	kV	75
  Rated frequency	Hz	50
  Rated current	A	630/1250		630/1250/1600/2000/2500/3150		1250/1600/2000/2500/3150/4000
  Rated short-circuit breaking current	kA	25		31.5		40
  Rated short-time withstand current	kA	25		31.5		40
  Rated duration of short-circuit	s	4
  Rated peak withstand current	kA	63	80
  Rated short-circuit making current	kA	63	80
  Secondary circuit power frequency withstand voltage	V	2000
  Rated breaking current of single/back to back capacitor bank	A	630/400(40kA:800/400)
  Rated capacitor bank closing current	kA	12.5(frequency≦1000Hz）
  Opening time(rated voltage)	ms	20-50
  Closing time(rated voltage)	ms	35-70
  Mechanical life	time	20000
  Rated current breaking times	time	20000
  Rated short circuit current breaking times	time	50(40kA:30)
  Contact & fixed contact erosion limit	mm	3
  Rated closing operation voltage	V	AC110/220 DC110/220
  Rated voltage of storage motor	V	AC110/220 DC110/220
  Rated power of storage motor	V	70(40kA 100)
  Energy storage time	V	≦15
  Clearance between open contacts	mm	11±1
  Overtravel of contact	s	3.5±0.5
  Contact closing bounce time	mm	≦2(40kA≦3)
  Closing/open non-synchronized of three phases	mm	≦2
  Average opening speed(contact open 6mm)	ms	0.9-1.2
  Average closing speed(contact closed 6mm)	ms	0.5-0.8
  Contact opening bouncing amplitude	ms	mm			≦3
  Main circuit resistance	μΩ	≦50(630A)≦45(1250A)≦35(1600-2000A)≦25(2500A)
  Contact closing contact pressure	N	2400±200(25kA) 3100±200(31.5kA) 4250±250(40kA)
  Rated operating sequence		0.3s-co-180s-co

• VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV

  Draw-out type

  

  draw out type VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV

  fixed type

  

  fixed type VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV

• VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV

  

  details VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV

   

   

  About us

  We are specialty on providing medium voltage and high voltage circuit breaker and switchgear components, such as 12KV, 24 KV, 36KV and 40.5KV embedded cylinder,insulated operating rod,auxiliary circuit socket,counter,circuit breaker board,vacuum circuit breaker plastic panel,connection terminal,vacuum circuit breaker and so on.These components apply on 630A, 1250A, 2500A, 3150A and 4000A VS1 (ZN85-40.5) circuit breaker and KYN28A-12 and KYN61 high voltage switchgear.

• VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV